ACDelco 18A81048B Gold Front Disc Brake Rotor Vented Cast Iron 6-Lug

The ACDelco 18A81048B is an ACDelco Gold (Professional) front vented disc brake rotor engineered as a high-quality alternative to OE brake components. Constructed from G3000-grade cast iron, this rotor meets SAE standards for structural integrity and delivers consistent, reliable braking performance.

This rotor features ACDelco's Cool Shield zinc coating applied to the entire rotor surface — including edges and internal vanes — providing long-lasting protection against corrosion and environmental exposure. The baked-on zinc layer is proven through up to 200 hours of industry-standard testing, helping coated rotors stay cleaner longer compared to uncoated alternatives.

Key Features:

• ACDelco Gold (Professional) series — high-quality OE alternative backed by General Motors
• Front vented disc brake rotor with 6 lug holes
• G3000 cast iron construction meets SAE structural integrity standards
• Thickness variation of less than 0.0004" to minimize pedal pulsation and noise
• Full Cool Shield zinc coating on all surfaces, edges, and vanes for corrosion resistance
• No machining required — ready to install out of the box
• Sold individually (1 per pack)
• California Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm

ACDelco Gold parts are manufactured to meet expectations for fit, form, and function, making them a trusted choice for General Motors vehicles as well as a wide range of other makes and models.